{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell type", "protein", "cell line", "DNA"], "input": "Three molecular clones of HIV-1 , derived from a single isolate ( AL1 ), exhibited distinct replicative and cytopathic properties during propagation in a human T cell line ."}
{"RNA": [], "cell type": [], "protein": [], "cell line": ["human T cell line"], "DNA": []}